World Scientist and University Rankings 2025

Japan Others 15.946 Scientists Subject Rankings - 2025

The AD Scientific Index (Alper-Doger Scientific Index) provides the most comprehensive analysis across 13 main fields and 197 sub-branches at global, national, and regional levels. These analyses are based on indicators such as the H-index, i10-index, and citation count, including their values from the last 6 yearsAs of Jan 30, 2025, the rankings are determined according to the Total H IndexBETA VERSION: The subject field rankings for the world, regions, countries, and universities are currently in their Beta phase. This is due to the exclusion of (873.690) scientists categorized under ‘Others’, whose profiles have yet to be determined, edited, or classified. As updates are made to these fields, the rankings will be adjusted accordingly. Note: Please keep this in mind while reviewing the rankings. For further details, explore our [University Subject Rankings].

* Total H IndexRankings
Ranking Based On Selection: 26
遠藤暁
Radiation
Metrics
H-Index
i10 Index
Citation Counts
100
852
73,335
* Total H IndexRankings
Ranking Based On Selection: 27
Yoshio Yamaoka
消化器病、感染症
Metrics
H-Index
i10 Index
Citation Counts
99
340
34,990
* Total H IndexRankings
Ranking Based On Selection: 28
Kenji Kabashima
Metrics
H-Index
i10 Index
Citation Counts
97
432
38,897
* Total H IndexRankings
Ranking Based On Selection: 29
Shuichi Miyazaki
shape memory alloy
superelastic alloy
martensitic transformation
Metrics
H-Index
i10 Index
Citation Counts
96
338
32,990
* Total H IndexRankings
Ranking Based On Selection: 30
Kiyoshi Takatsu
免疫学
Metrics
H-Index
i10 Index
Citation Counts
96
299
34,097
* Total H IndexRankings
Ranking Based On Selection: 31
Tsukasa Seya
Vaccine adjuvant
Innate immunity
Metrics
H-Index
i10 Index
Citation Counts
94
327
32,584
* Total H IndexRankings
Ranking Based On Selection: 32
Masahiro Hiraoka
Metrics
H-Index
i10 Index
Citation Counts
93
522
35,696
* Total H IndexRankings
Ranking Based On Selection: 33
Hiroyuki Ohno
ionic liquid
polymer
molecular assembly
Metrics
H-Index
i10 Index
Citation Counts
92
419
41,299
* Total H IndexRankings
Ranking Based On Selection: 34
Masamitsu Nakazato
摂食調節、糖尿病、ペプチド探索
Metrics
H-Index
i10 Index
Citation Counts
92
328
57,632
* Total H IndexRankings
Ranking Based On Selection: 35
Takayuki Asahara
endothelial progenitor
angiogenesis
organ regeneration
cell therapy
Metrics
H-Index
i10 Index
Citation Counts
92
241
68,194

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* Total H IndexRankings
Ranking Based On Selection: 36
Naohiko Seki
腫瘍ゲノム 機能性RNA マイクロRNA
Metrics
H-Index
i10 Index
Citation Counts
91
314
28,091
* Total H IndexRankings
Ranking Based On Selection: 37
Yutaka Sato
Welding and Joining
Metrics
H-Index
i10 Index
Citation Counts
90
403
92,001
* Total H IndexRankings
Ranking Based On Selection: 38
Yuichi Oike
Aging
Cardiovascular disease
Cancer
Metrics
H-Index
i10 Index
Citation Counts
90
186
24,274
* Total H IndexRankings
Ranking Based On Selection: 39
Kodera Yasuhiro
Metrics
H-Index
i10 Index
Citation Counts
89
548
35,360
* Total H IndexRankings
Ranking Based On Selection: 40
Naoki Ishiguro
Metrics
H-Index
i10 Index
Citation Counts
89
660
34,982
* Total H IndexRankings
Ranking Based On Selection: 41
Hidemi Ito
Cancer epidemiology
Metrics
H-Index
i10 Index
Citation Counts
87
435
53,814
* Total H IndexRankings
Ranking Based On Selection: 42
Shin Shik
物理
Metrics
H-Index
i10 Index
Citation Counts
87
449
30,890
* Total H IndexRankings
Ranking Based On Selection: 45
Masao Matsuoka
Metrics
H-Index
i10 Index
Citation Counts
86
266
23,530
* Total H IndexRankings
Ranking Based On Selection: 46
Takashi Hachiya
quark gluon plasma
heavy ion collision
Metrics
H-Index
i10 Index
Citation Counts
86
170
36,487
* Total H IndexRankings
Ranking Based On Selection: 48
Nagao Kobayashi
phthalocyanine
porphyrin
spectroscopy
chemistry
Metrics
H-Index
i10 Index
Citation Counts
86
493
28,687
* Total H IndexRankings
Ranking Based On Selection: 49
Jonathan P Hill
Functional Chromophores
Photophysics
Organocatalysis
Sensing
Metrics
H-Index
i10 Index
Citation Counts
85
303
30,185
* Total H IndexRankings
Ranking Based On Selection: 50
Satoshi Okabe
水環境工学、環境微生物工学、
Metrics
H-Index
i10 Index
Citation Counts
85
224
23,092
* Total H Index Rankings
Rankings
Ranking Based On Selection: 26
遠藤暁
Hiroshima University Higashihiroshima, Japan
Metrics
H-Index
i10-Index
Citation Counts
100
852
73,335
* Total H Index Rankings
Rankings
Ranking Based On Selection: 27
Yoshio Yamaoka
Metrics
H-Index
i10-Index
Citation Counts
99
340
34,990
消化器病、感染症
* Total H Index Rankings
Rankings
Ranking Based On Selection: 28
Kenji Kabashima
Metrics
H-Index
i10-Index
Citation Counts
97
432
38,897
* Total H Index Rankings
Rankings
Ranking Based On Selection: 29
Shuichi Miyazaki
Metrics
H-Index
i10-Index
Citation Counts
96
338
32,990
shape memory alloy
superelastic alloy
martensitic transformation
* Total H Index Rankings
Rankings
Ranking Based On Selection: 30
Kiyoshi Takatsu
Metrics
H-Index
i10-Index
Citation Counts
96
299
34,097
* Total H Index Rankings
Rankings
Ranking Based On Selection: 31
Tsukasa Seya
Metrics
H-Index
i10-Index
Citation Counts
94
327
32,584
Vaccine adjuvant
Innate immunity
* Total H Index Rankings
Rankings
Ranking Based On Selection: 32
Masahiro Hiraoka
Metrics
H-Index
i10-Index
Citation Counts
93
522
35,696
* Total H Index Rankings
Rankings
Ranking Based On Selection: 33
Hiroyuki Ohno
Metrics
H-Index
i10-Index
Citation Counts
92
419
41,299
ionic liquid
polymer
molecular assembly
* Total H Index Rankings
Rankings
Ranking Based On Selection: 34
Masamitsu Nakazato
Metrics
H-Index
i10-Index
Citation Counts
92
328
57,632
摂食調節、糖尿病、ペプチド探索
* Total H Index Rankings
Rankings
Ranking Based On Selection: 35
Takayuki Asahara
Metrics
H-Index
i10-Index
Citation Counts
92
241
68,194
endothelial progenitor
angiogenesis
organ regeneration
cell therapy

Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast! 

* Total H Index Rankings
Rankings
Ranking Based On Selection: 36
Naohiko Seki
Metrics
H-Index
i10-Index
Citation Counts
91
314
28,091
腫瘍ゲノム 機能性RNA マイクロRNA
* Total H Index Rankings
Rankings
Ranking Based On Selection: 37
Yutaka Sato
Metrics
H-Index
i10-Index
Citation Counts
90
403
92,001
* Total H Index Rankings
Rankings
Ranking Based On Selection: 38
Yuichi Oike
Metrics
H-Index
i10-Index
Citation Counts
90
186
24,274
Aging
Cardiovascular disease
Cancer
* Total H Index Rankings
Rankings
Ranking Based On Selection: 39
Kodera Yasuhiro
Metrics
H-Index
i10-Index
Citation Counts
89
548
35,360
* Total H Index Rankings
Rankings
Ranking Based On Selection: 40
Naoki Ishiguro
Metrics
H-Index
i10-Index
Citation Counts
89
660
34,982
* Total H Index Rankings
Rankings
Ranking Based On Selection: 41
Hidemi Ito
Metrics
H-Index
i10-Index
Citation Counts
87
435
53,814
* Total H Index Rankings
Rankings
Ranking Based On Selection: 42
Shin Shik
Metrics
H-Index
i10-Index
Citation Counts
87
449
30,890
* Total H Index Rankings
Rankings
Ranking Based On Selection: 43
* Total H Index Rankings
Rankings
Ranking Based On Selection: 44
Rintaro Mori
Metrics
H-Index
i10-Index
Citation Counts
86
207
98,740
* Total H Index Rankings
Rankings
Ranking Based On Selection: 45
Masao Matsuoka
Metrics
H-Index
i10-Index
Citation Counts
86
266
23,530
* Total H Index Rankings
Rankings
Ranking Based On Selection: 46
Takashi Hachiya
Metrics
H-Index
i10-Index
Citation Counts
86
170
36,487
quark gluon plasma
heavy ion collision
* Total H Index Rankings
Rankings
Ranking Based On Selection: 47
Damien Mercier
Metrics
H-Index
i10-Index
Citation Counts
86
117
70,622
* Total H Index Rankings
Rankings
Ranking Based On Selection: 48
Nagao Kobayashi
Metrics
H-Index
i10-Index
Citation Counts
86
493
28,687
phthalocyanine
porphyrin
spectroscopy
chemistry
* Total H Index Rankings
Rankings
Ranking Based On Selection: 49
Jonathan P Hill
Metrics
H-Index
i10-Index
Citation Counts
85
303
30,185
Functional Chromophores
Photophysics
Organocatalysis
Sensing
* Total H Index Rankings
Rankings
Ranking Based On Selection: 50
Satoshi Okabe
Metrics
H-Index
i10-Index
Citation Counts
85
224
23,092
水環境工学、環境微生物工学、